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发明授权
CN109759235B 一种变压器防尘装置及其集尘极电压设计方法 有权

一种变压器防尘装置及其集尘极电压设计方法
摘要：
本发明公开了一种变压器防尘装置及其集尘极电压设计方法，包括框架、电源箱、集尘极和电晕极；所述框架用于安装在变压器的冷却器上；所述集尘极设于所述框架上，且与电源箱的正极相连，用于吸附被吸入冷却器内的灰尘；所述电晕极设于所述框架上，其与所述集尘极平行设置，且与电源箱的负极相连，由纵电晕线和横电晕线交错而成。本发明基于电场强度、粉尘粒子荷电量和除尘效率三个目标，设计了最优集尘极电压优化模型，可有效滤除吸入冷却器的灰尘，提高除尘效果，能够有效解决变压器工作时发热异常的问题。
摘要（英）：

The present invention discloses a dustproof device for a transformer and a voltage design method of a dust collecting electrode thereof. The dustproof device comprises a frame, a power box, a dust collecting electrode and a corona electrode. The frame is mounted on a cooler of the transformer; the dust collecting electrode is arranged on the frame and connected with a positive electrode of the power box for adsorbing the dust sucked into the cooler; the corona electrode is arranged on the frame in parallel with the dust collecting electrode, connected with the negative electrode of the power box and is formed by staggered vertical corona wires and transverse corona wires. The invention designs an optimal voltage model of the dust collecting electrode based on the three objectives of electric field strength, dust particle charge and dust removal efficiency; the dust sucked into the cooler can be effectively filtered out; the dust removal effect is improved; and the problem of abnormal heating of the transformer during operation can be effectively solved.

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